American Standard 4A6V8024A1000B Service Facts Download Page 12 | Manualshive

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4A-V8-SF-1G-EN

Wiring — D157619P04

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Summary of Contents for 4A6V8024A1000B

Page 1: ...injury When working on the equipment observe all precautions in the literature and on the tags stickers and labels that are attached to the equipment August 2017 4 4A A V V8 8 S SF F 1 1G G E EN N Var...

Page 2: ...Do o n no ot t t to ou uc ch h t to op p o of f c co om mp pr re es ss so or r C CA AU UT TI IO ON N C CO ON NT TA AI IN NS S R RE EF FR RI IG GE ER RA AN NT T F Fa ai il lu ur re e t to o f fo ol ll...

Page 3: ...with variable speed outdoor units Important Use caution when cleaning outdoor coil to ensure no water enters the electrical control compartment When cleaning coil from inside the compressor compartmen...

Page 4: ...4 4A V8 SF 1G EN Table 1 Operating Range Cooling 55 F to 120 F Table 1 Operating Range continued Heating 10 F to 66 F S SA AF FE ET TY Y S SE EC CT TI IO ON N O OU UT TD DO OO OR R...

Page 5: ...0 A R410 A LBS R 410A O D UNIT g 7 lb 6 oz 8 lb 3 oz 9 lb 8 oz FACTORY SUPPLIED YES YES YES LINE SIZE IN O D GAS h 5 8 3 4 3 4 LINE SIZE IN O D LIQ h 3 8 3 8 3 8 CHARGING SPECIFICATIONS SUBCOOLING 10...

Page 6: ...i LINE SIZE IN O D LIQ h 3 8 3 8 3 8 CHARGING SPECIFICATIONS SUBCOOLING 10 10 10 DIMENSIONS H X W X D H X W X D H X W X D CRATED IN 46 4 x 35 1 x 38 7 46 4 x 35 1 x 38 7 51 X 35 1 X 38 7 WEIGHT SHIPPI...

Page 7: ...lb 14 oz 9 lb 6 oz FACTORY SUPPLIED YES YES YES LINE SIZE IN O D GAS 5 8 h 3 4 h 3 4 h LINE SIZE IN O D LIQ h 3 8 3 8 3 8 CHARGING SPECIFICATIONS SUBCOOLING 10 10 10 DIMENSIONS H X W X D H X W X D H...

Page 8: ...RGING SPECIFICATIONS SUBCOOLING 10 10 DIMENSIONS H X W X D H X W X D CRATED IN 46 4 X 35 1 X 38 7 51 X 35 1 X 38 7 WEIGHT SHIPPING LBS 270 284 NET LBS 245 258 a Certified in accordance with the Air So...

Page 9: ...4 Locate the designated subcooling target from the unit nameplate 5 At startup or whenever charge is removed or added the system must be operated for a minimum of 20 minutes to stabilize before accur...

Page 10: ...00 110 120 130 140 150 60 50 40 30 20 50 40 30 25 15 10 0 REFRIGERANT LINE LIFT FEET Figure 4 Subcool Charging Corrections 5 0 Ton Add 2 Refrigerant Charging Chart R 410A REFRIGERANT CHARGING CHART LI...

Page 11: ...d record the resulting value This is the amount of refrigerant to weigh in prior to opening the service valves New Installation Weigh In Method Worksheet 1 Line Length ft ________________________ 2 Va...

Page 12: ...12 4A V8 SF 1G EN Wiring D157619P04...

Page 13: ...1G EN 13 Integrated Variable Speed Control IVSC Inputs Outputs A Al ls so o R Re ef fe er rr re ed d t to o a as s T Th he e D Dr ri iv ve e F AN ALUMINUM COVERPLATE T4 T3 10 1 18 9 J1 J4 D B J3 J10...

Page 14: ...ump Heat ON At power up when outdoor temperature is below 85 F When outdoor temperature is below 80 F and compressor dome temperature is less than the outdoor ambient temperature Sump Heat OFF When th...

Page 15: ...lue or stage demand the outdoor system will start and ramp to a target startup speed and hold steady for a minimum dwell period to ensure proper oil return This dwell period will typically last for 1...

Page 16: ...g defrost The Defrost Mode will be terminated after the OD coil temperature reaches 47 F or the maximum time override of 15 minutes has lapsed At Defrost termination the compressor will be commanded t...

Page 17: ...fr ro os st t I In ni it ti ia at ti io on n The calculated temperature difference between the outdoor temperature sensor and the coil temperature sensor is called Delta T Defrost can occur once the c...

Page 18: ...85 00 1071 0 80 190 87 78 982 0 74 195 90 56 901 0 70 200 93 33 828 0 65 205 96 11 762 0 61 210 98 89 702 0 57 215 101 67 647 0 53 TEMP F TEMP C THERMISTOR RESISTANCE OHMS VOLTS DC PIN TO PIN 220 104...

Page 19: ...0 0 38 105 40 56 5227 0 35 110 43 33 4695 0 31 115 46 11 4224 0 29 120 48 89 3808 0 26 125 51 67 3439 0 24 130 54 44 3111 0 21 135 57 22 2820 0 20 140 60 00 2559 0 18 Figure 7 Ambient Temperature Sens...

Page 20: ...r control has an NTC thermistor input for sensing the coil temperature This reading is used by the defrost algorithm on heat pump units The thermistor has a nominal resistance of 10k ohms at 75 F The...

Page 21: ...re Transducer Pins 7 White 8 Black 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 A working Suction Pressure Sensor is required for the following Start Up Pressure Limits Low Pressure Loss of Charge Pro...

Page 22: ...mpressor speed is limited to 2400 RPM Ramp up to demand speed and resume normal operation Dome Temperature Sensor is faulted in Heating mode Dome Sensor out of range Open Shorted Missing SUCT T SENSE...

Page 23: ...t has been exceeded and a 5 minute time out has been enforced Restart is allowed but with reduced capacity Overcharged Cooling Mode Outdoor Fan Failure clogged coil recirculation excessive high ambien...

Page 24: ...e occurs and allows control within the EEV range of operation EEV migrated to open position but superheat is not at the desired set point Valve is not responding to a change in position Possible stuck...

Page 25: ...r the technician should cycle power to the ODU If error 176 00 returns replace the Drive If replacement Drive has the same issue investigate for EMI and source 177 Drive Current Failure CUR DER 0 N A...

Page 26: ...ll clear the fault and retry every 5 minutes Resume normal operation DC bus voltage is less than 220VDC Low line voltage Verify supply voltage is between 187VAC and 253VAC This error can occur after a...

Page 27: ...erter temperature greater than the Derate threshold High Load condition heat sink performance loss check thermal grease cold plate torque INV T EX DER 4 Err 179 04 Compressor speed Derated This alert...

Page 28: ...connection or motor winding problem Verify wiring and windings Run Drive Diagnostics to confirm failure mode Reverse Rotation Protection Hard Lockout REV ROT LO 3 Err 181 03 Can t start system without...

Page 29: ...mode for warranty claim before replacing Drive ADC current range error ADC CUR EX 15 Wait Emergency shutdown Control will clear the fault and retry every 5 minutes Resume normal operation Control wil...

Page 30: ...o thermostat send Alert to CDA home screen menu and history Resume normal operation after compressor cutout time has elapsed CO 5 minutes Low Suction Pressure Protection in Heating Mode Less than 13 P...

Page 31: ...r speed to prevent higher load Compressor Dome Temperature Protection Limit compressor speed Low speed heating with high indoor ambient CMPR LUBE 5 N A Compressor Lubrication cycle Low speed operation...

Page 32: ...via Technician log in 950 history Drive output current is high High compressor speed with high Drive output current Limit compressor speed In heating mode high indoor coil load or high outdoor ambient...

Page 33: ...e for warranty claim before replacing Drive Hardware Variant Read Failure HW VAR RD F 3 Err 188 03 Shutdow Cycle Power to clear hard lockout condition Internal Error Cycle Power If error does not clea...

Page 34: ...1 Wait Shutdown and retry after 5 minutes Resume normal operation Control board temperature is high Shutdown and retry after 5 minutes High ambient conditions recirculation discharge air blocked coil...

Page 35: ...4A V8 SF 1G EN 35 Refrigeration Circuits for Heating and Cooling Figure 11 2 Ton HP 024 Models Figure 12 3 Ton HP 036 and 37 Models...

Page 36: ...4A V8 SF 1G EN Figure 13 4 Ton HP 048 Models Figure 14 4 Ton HP 049 Models R Re ef fr ri ig ge er ra at ti io on n C Ci ir rc cu ui it ts s f fo or r H He ea at ti in ng g a an nd d C Co oo ol li in n...

Page 37: ...8 SF 1G EN 37 Figure 15 5 Ton HP 060 Models Figure 16 2 TON A C 024 Models R Re ef fr ri ig ge er ra at ti io on n C Ci ir rc cu ui it ts s f fo or r H He ea at ti in ng g a an nd d C Co oo ol li in n...

Page 38: ...SF 1G EN Figure 17 3 Ton A C 036 and 037 Models Figure 18 4 Ton A C 048 Models R Re ef fr ri ig ge er ra at ti io on n C Ci ir rc cu ui it ts s f fo or r H He ea at ti in ng g a an nd d C Co oo ol li...

Page 39: ...4A V8 SF 1G EN 39 Figure 19 5 Ton A C 060 Models R Re ef fr ri ig ge er ra at ti io on n C Ci ir rc cu ui it ts s f fo or r H He ea at ti in ng g a an nd d C Co oo ol li in ng g...

Page 40: ...ompressor operation and closed contacts will enable compressor operation The Factory Default configuration is INACTIVE Upon enabling this feature the 950 850 will provide notification when this featur...

Page 41: ...4A V8 SF 1G EN 41 Communication Loss Yes Yes No Yes No No Yes No...

Page 42: ...42 4A V8 SF 1G EN Breaker Trip Procedure...

Page 43: ...4A V8 SF 1G EN 43 Start Compressor...

Page 44: ...44 4A V8 SF 1G EN Compressor Verification Parameters...

Page 45: ...4A V8 SF 1G EN 45 Run Drive Diagnostic Test e t...

Page 46: ...46 4A V8 SF 1G EN Compressor Verification Short...

Page 47: ...4A V8 SF 1G EN 47 Compressor Verification Open No Yes...

Page 48: ...48 4A V8 SF 1G EN Inverter Temperature e e...

Page 49: ...oling mode refrigerant flow is controlled by the expansion device in the indoor unit Therefore any ooperational problems observed in cooling mode are not caused by the outdoor EEV The following flow c...

Page 50: ...bout the CDA Home Screen Communicating Display Assembly Table 6 Status Menu Home Screen The System Status is shown continuously on the Home Screen The System Status will alternate with Fault Informati...

Page 51: ...he e M Mo on ni it to or r M Me en nu u d di is sp pl la ay ys s i in nf fo or rm ma at ti io on n o on n S Sy ys st te em m s st ta at tu us s D Dr ri iv ve e s st ta at ts s a an nd d t th he e S S...

Page 52: ...52 4A V8 SF 1G EN T Te ec ch hn ni ic ci ia an n M Mo on ni it to or r M Me en nu u...

Page 53: ...SF 1G EN 53 Technician Alert Menu The Alert Menu displays active alerts N No ot te e Clearing Alert History will also clear Active Alerts and will reset the Outdoor Control without the need to cycle...

Page 54: ...54 4A V8 SF 1G EN Technician Alert History Menu N No ot te e Clearing Alert History will also clear Active Alerts and will reset the Outdoor Control without the need to cycle power...

Page 55: ...chnician Configuration Menu S Sy ys st te em m p pa ar ra am me et te er rs s a an nd d o op pt ti io on ns s a ar re e r re ep po or rt te ed d a an nd d s se et t f fr ro om m t th he e C Co on nf f...

Page 56: ...chnician Control Menu Forced Defrost EEV LSOV Evacuation Run Drive and Run Outdoor Fan tests are initiated and performed from the Technician Control Menu N No ot te e If system is in Lockout Unit Test...

Page 57: ...4A V8 SF 1G EN 57 T Te ec ch hn ni ic ci ia an n C Co on nt tr ro ol l M Me en nu u...

Page 58: ...58 4A V8 SF 1G EN TECH CONTROL Charge Check Charge Modes...

Page 59: ...4A V8 SF 1G EN 59 Pressure Curves Figure 20 4A6V8024A...

Page 60: ...60 4A V8 SF 1G EN Figure 21 4A6V8036A P Pr re es ss su ur re e C Cu ur rv ve es s...

Page 61: ...4A V8 SF 1G EN 61 Figure 22 4A6V8037A P Pr re es ss su ur re e C Cu ur rv ve es s...

Page 62: ...62 4A V8 SF 1G EN Figure 23 4A6V8048A P Pr re es ss su ur re e C Cu ur rv ve es s...

Page 63: ...4A V8 SF 1G EN 63 Figure 24 4A6V8049A P Pr re es ss su ur re e C Cu ur rv ve es s...

Page 64: ...64 4A V8 SF 1G EN Figure 25 4A6V8060A P Pr re es ss su ur re e C Cu ur rv ve es s...

Page 65: ...4A V8 SF 1G EN 65 Figure 26 4A7V8024A P Pr re es ss su ur re e C Cu ur rv ve es s...

Page 66: ...66 4A V8 SF 1G EN Figure 27 4A7V8036A P Pr re es ss su ur re e C Cu ur rv ve es s...

Page 67: ...2 FIND INTERSECTION OF OD TEMP ID W B 3 READ LIQUID 4 OR SUCTION 5 PRESSURE IN LEFT COLUMN 1 OUTDOOR TEMP 82 F 2 INDOOR WET BULB 67 F 3 AT INTERSECTION 4 LIQUID PRESSURE 400 CFM IS 295 PSIG 5 SUCTION...

Page 68: ...68 4A V8 SF 1G EN Figure 29 4A7V8048A P Pr re es ss su ur re e C Cu ur rv ve es s...

Page 69: ...4A V8 SF 1G EN 69 Figure 30 4A7V8060A P Pr re es ss su ur re e C Cu ur rv ve es s...

Page 70: ...at Max 74 78 7 70 3 76 3 73 0 68 7 61 1 57 3 53 6 4A6V8048A Cool Min 61 70 6 55 0 55 9 55 8 59 0 49 9 41 1 42 9 Cool Max 74 75 7 71 9 73 0 74 2 68 5 63 4 59 1 54 3 Heat Min 62 72 1 59 3 58 7 60 3 58 6...

Page 71: ...00 Hz 4A7V8024A Cool Min 57 71 2 49 8 51 4 58 3 51 6 44 2 37 4 41 2 Cool Max 66 74 8 64 1 61 3 66 2 61 2 56 3 49 4 46 5 4A7V8036A Cool Min 55 71 0 53 4 51 2 53 5 51 5 44 6 40 3 41 0 Cool Max 70 73 1 7...

Page 72: ...codes found on the 950 comfort control Record all Alert texts found on the Communicating Display Assembly CDA Run the Drive Diagnostics found in the Technicians Control Menu of the CDA when possible W...

Page 73: ...4A V8 SF 1G EN 73 N No ot te es s...

Page 74: ...74 4A V8 SF 1G EN N No ot te es s...

Page 75: ...4A V8 SF 1G EN 75 N No ot te es s...

Page 76: ...d protect food and perishables and increase industrial productivity and efficiency We are a global business committed to a world of sustainable progress and enduring results ingersollrand com Ingersol...

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